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            <h1 title="Trigonometric table">Тригонометрическая таблица</h1>
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                <article>
                    <table>
                        <tr>
                            <th>Градусы</th>
                            <td>0&deg;</td>
                            <td>30&deg;</td>
                            <td>45&deg;</td>
                            <td>60&deg;</td>
                            <td>90&deg;</td>
                            <td>120&deg;</td>
                            <td>135&deg;</td>
                            <td>150&deg;</td>
                            <td>180&deg;</td>
                            <td>210&deg;</td>
                            <td>225&deg;</td>
                            <td>240&deg;</td>
                            <td>270&deg;</td>
                            <td>300&deg;</td>
                            <td>315&deg;</td>
                            <td>330&deg;</td>
                            <td>360&deg;</td>
                        </tr>
                        <tr>
                            <th>Радианы</th>
                            <td>0</td>
                            <td><sup>&pi;</sup>&frasl;<sub>6</sub></td>
                            <td><sup>&pi;</sup>&frasl;<sub>4</sub></td>
                            <td><sup>&pi;</sup>&frasl;<sub>3</sub></td>
                            <td><sup>&pi;</sup>&frasl;<sub>2</sub></td>
                            <td><sup>2&pi;</sup>&frasl;<sub>3</sub></td>
                            <td><sup>3&pi;</sup>&frasl;<sub>4</sub></td>
                            <td><sup>5&pi;</sup>&frasl;<sub>6</sub></td>
                            <td>&pi;</td>
                            <td><sup>7&pi;</sup>&frasl;<sub>6</sub></td>
                            <td><sup>5&pi;</sup>&frasl;<sub>4</sub></td>
                            <td><sup>4&pi;</sup>&frasl;<sub>3</sub></td>
                            <td><sup>3&pi;</sup>&frasl;<sub>2</sub></td>
                            <td><sup>5&pi;</sup>&frasl;<sub>3</sub></td>
                            <td><sup>7&pi;</sup>&frasl;<sub>4</sub></td>
                            <td><sup>11&pi;</sup>&frasl;<sub>6</sub></td>
                            <td>2&pi;</td>
                        </tr>
                        <tr>
                            <th>sin<sub>&alpha;</sub></th>
                            <td>0</td>
                            <td>&frac12;</td>
                            <td><sup>&radic;2</sup>&frasl;<sub>2</sub></td>
                            <td><sup>&radic;3</sup>&frasl;<sub>2</sub></td>
                            <td>1</td>
                            <td><sup>&radic;3</sup>&frasl;<sub>2</sub></td>
                            <td><sup>&radic;2</sup>&frasl;<sub>2</sub></td>
                            <td>&frac12;</td>
                            <td>0</td>
                            <td>-&frac12;</td>
                            <td>-<sup>&radic;2</sup>&frasl;<sub>2</sub></td>
                            <td>-<sup>&radic;3</sup>&frasl;<sub>2</sub></td>
                            <td>-1</td>
                            <td>-<sup>&radic;3</sup>&frasl;<sub>2</sub></td>
                            <td>-<sup>&radic;2</sup>&frasl;<sub>2</sub></td>
                            <td>-&frac12;</td>
                            <td>0</td>
                        </tr>
                        <tr>
                            <th>cos<sub>&alpha;</sub></th>
                            <td>1</td>
                            <td><sup>&radic;3</sup>&frasl;<sub>2</sub></td>
                            <td><sup>&radic;2</sup>&frasl;<sub>2</sub></td>
                            <td>&frac12;</td>
                            <td>0</td>
                            <td>-&frac12;</td>
                            <td>-<sup>&radic;2</sup>&frasl;<sub>2</sub></td>
                            <td>-<sup>&radic;3</sup>&frasl;<sub>2</sub></td>
                            <td>-1</td>
                            <td>-<sup>&radic;3</sup>&frasl;<sub>2</sub></td>
                            <td>-<sup>&radic;2</sup>&frasl;<sub>2</sub></td>
                            <td>-&frac12;</td>
                            <td>0</td>
                            <td>&frac12;</td>
                            <td><sup>&radic;2</sup>&frasl;<sub>2</sub></td>
                            <td><sup>&radic;3</sup>&frasl;<sub>2</sub></td>
                            <td>1</td>
                        </tr>
                        <tr>
                            <th>tg<sub>&alpha;</sub></th>
                            <td>0</td>
                            <td><sup>1</sup>&frasl;<sub>&radic;3</sub></td>
                            <td>1</td>
                            <td>&radic;3</td>
                            <td>-</td>
                            <td>-&radic;3</td>
                            <td>-1</td>
                            <td>-<sup>1</sup>&frasl;<sub>&radic;3</sub></td>
                            <td>0</td>
                            <td><sup>1</sup>&frasl;<sub>&radic;3</sub></td>
                            <td>1</td>
                            <td>&radic;3</td>
                            <td>-</td>
                            <td>-&radic;3</td>
                            <td>-1</td>
                            <td>-<sup>1</sup>&frasl;<sub>&radic;3</sub></td>
                            <td>0</td>
                        </tr>
                        <tr>
                            <th>ctg<sub>&alpha;</sub></th>
                            <td>-</td>
                            <td>&radic;3</td>
                            <td>1</td>
                            <td><sup>1</sup>&frasl;<sub>&radic;3</sub></td>
                            <td>0</td>
                            <td>-<sup>1</sup>&frasl;<sub>&radic;3</sub></td>
                            <td>-1</td>
                            <td>-&radic;3</td>
                            <td>-</td>
                            <td>&radic;3</td>
                            <td>1</td>
                            <td><sup>1</sup>&frasl;<sub>&radic;3</sub></td>
                            <td>0</td>
                            <td>-<sup>1</sup>&frasl;<sub>&radic;3</sub></td>
                            <td>-1</td>
                            <td>-&radic;3</td>
                            <td>-</td>
                        </tr>
                    </table>
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